Andrew,
Sorry for the delay in the response.
#%PAM-1.0
auth required /lib/security/pam_securetty.so
auth required /lib/security/pam_stack.so service=system-auth
auth required /lib/security/pam_nologin.so
account required /lib/security/pam_stack.so service=system-auth
password required /lib/security/pam_stack.so service=system-auth
session required /lib/security/pam_stack.so service=system-auth
session optional /lib/security/pam_console.so
[forbeskm@radii ~]$ rpm -qva | grep pam
pam-0.75-32
pam_krb5-1.55-1
pam-devel-0.75-32
pam_smb-1.1.6-2
[forbeskm@radii ~]$
Mike
On Sat, 3 Aug 2002, Andrew Morgan wrote:
> what does your /etc/pam.d/login file look like?
> what version of libpam do you have?
>
> Thanks
>
> Andrew
>
> Forbes Mike wrote:
> >
> > I am experiencing a rather large memory leaks when using pam and the krb5
> > perl mod from RedHat.
> >
> > I am using this via the radius server radiator and am working around it
> > at the moment by using fork. I would like to get a fix for the leak. Any
> > ideas on where to go for help on this??
> >
> > Thanks,
> >
> > Mike Forbes
> >
> > Output from yamd is also included.
> >
> > I have attached a simple program that demonstrates the problem. If you
> > edit it for a valid username and password, compile it with:
> >
> > gcc -g -o pam pam.c -lpam
> >
> > it will grow without bounds
> >
> > Yamd shows that there is a major memory loss (2 blocks of 8192 bytes) deep
> > inside the PAM library for each iteration:
> >
> > > WARNING: Memory leak
> > > Address 0x4062d000, size 8192
> > > Allocated by realloc at
> > > BEGIN TRACEBACK
> > > ./pam(__libc_realloc+0x31)[0x4207afa1]
> > > [0x404ebf60]
> > > [0x404ed172]
> > > [0x404e95c5]
> > > /lib/libpam.so.0[0x40038b52]
> > > /lib/libpam.so.0(_pam_dispatch+0x1b0)[0x40038e80]
> > > [0x4024aaec]
> > > [0x40249ccd]
> > > /lib/libpam.so.0[0x40038b52]
> > > /lib/libpam.so.0(_pam_dispatch+0x1b0)[0x40038e80]
> > > /lib/libpam.so.0(pam_authenticate+0x6b)[0x4003a60f]
> > > ./pam(pam_start+0x252)[0x80487b6]
> > > ./pam(__libc_start_main+0x95)[0x42017499]
> > > ./pam(pam_start+0x4d)[0x80485b1]
> > > END TRACEBACK
> > > Realloced from NULL
> > >
> >
> > #include <security/pam_appl.h>
> >
> > char* username = "mikem";
> > char* password = "mycorrectpassword";
> > char* service = "login";
> >
> > int conv(int num_msg, const struct pam_message **msg,
> > struct pam_response **resp, void *appdata_ptr)
> > {
> > int i;
> >
> > struct pam_response *reply;
> > reply = (struct pam_response *)malloc(num_msg * sizeof(struct
> > pam_response));
> > for (i = 0; i < num_msg; i++)
> > {
> > // printf("its %d, %s\n", (*msg)[i].msg_style, (*msg)[i].msg);
> > reply[i].resp_retcode = 0;
> > reply[i].resp = (char *)strdup(password);
> > }
> > *resp = reply;
> > return 0;
> > }
> >
> > main()
> > {
> > int result;
> > pam_handle_t * pamh;
> > struct pam_conv pam_conv;
> > int i = 0;
> > pam_conv.conv = &conv;
> > while (i++ < 1000000)
> > {
> > result = pam_start(service, username, &pam_conv, &pamh);
> > if (result == PAM_SUCCESS)
> > {
> > result = pam_authenticate(pamh, 0);
> > //printf("pam_auth result %d\n", result);
> > pam_end(pamh, 0);
> > }
> > }
> > }
> >
> > _______________________________________________
> >
> > Pam-list@redhat.com
> > https://listman.redhat.com/mailman/listinfo/pam-list
>
>
>
> _______________________________________________
>
> Pam-list@redhat.com
> https://listman.redhat.com/mailman/listinfo/pam-list
>
